Valve kho

1. Lub valve yuav tsum tau muab cia rau hauv chav qhuav thiab qhov cua, thiab ob qhov kawg ntawm txoj kev yuav tsum tau thaiv.
2. Cov li qub uas tau khaws cia rau lub sijhawm ntev yuav tsum tau kuaj xyuas tsis tu ncua, ntxuav cov av, thiab coated nrog cov roj los tiv thaiv xeb ntawm lub tshuab ua haujlwm.
3. Tom qab kev teeb tsa, kev tshuaj xyuas tsis tu ncua yuav tsum tau ua, feem ntau suav nrog:
(1) Qhov hnav ntawm qhov sealing nto.
(2) Hnav cov xov trapezoidal ntawm lub valve qia thiab valve qia txiv ntoo.
(3) Xyuas seb lub tshuab muab tub lim yog qhov qub thiab tsis ua haujlwm, thiab hloov nws raws sijhawm yog tias nws puas lawm.
(4) Tom qab lub valve tu thiab sib dhos, yuav tsum tau ua qhov kev ntsuas kev sib khi.
Lub valve hauv kev ua haujlwm thiab ntau yam khoom siv valve yuav tsum ua kom tiav thiab tsis zoo. Cov bolts ntawm flange thiab bracket yog qhov tseem ceeb, thiab cov xov yuav tsum tsis txhob xoob. Lub fastening ceev ntawm lub handwheel yuav tsum tau nruj me ntsis raws sij hawm yog hais tias lawv pom xoob kom tsis txhob hnav ntawm kev sib txuas los yog poob ntawm lub handwheel thiab nameplate. Yog hais tias lub handwheel ploj lawm, nws tsis raug tso cai siv ib tug liab wrench los hloov nws, thiab nws yuav tsum tau npaj raws sij hawm. Lub packing caj pas yuav tsum tsis txhob tilted los yog tsis muaj pre tightening clearance. Rau cov li qub nyob rau hauv ib puag ncig uas muaj kev kis kab mob los ntawm nag, daus, plua plav, cua daj cua dub, thiab lwm yam kev ua qias tuaj, kev tiv thaiv npog yuav tsum tau nruab rau ntawm lawv lub valve stems. Qhov ntsuas ntawm lub valve yuav tsum ua kom tiav, raug, thiab meej. Cov hlau lead foob, lub hau, pneumatic accessories, thiab lwm yam ntawm lub valve yuav tsum ua kom tiav thiab tsis zoo. Lub tsho rwb thaiv tsev yuav tsum tsis muaj dents lossis tawg. Nws tsis raug tso cai rau khob, sawv lossis txhawb nqa cov khoom hnyav ntawm lub valve hauv kev ua haujlwm; Tshwj xeeb tshaj yog tsis-hlau li qub thiab cam khwb cia hlau li qub yuav tsum raug txwv.
Kev kho roj av
Kev ua haujlwm ntawm kev ua haujlwm ntawm li qub ua ntej thiab tom qab vuam thiab kev tsim khoom ua lub luag haujlwm tseem ceeb hauv kev pabcuam kev tsim khoom thiab kev ua haujlwm ntawm li qub. Kev kho kom raug, kev sib raug zoo thiab kev saib xyuas zoo yuav tiv thaiv cov li qub, xyuas kom lawv ua haujlwm zoo, thiab txuas ntxiv lawv lub neej kev pab. Valve txij nkawm yuav zoo li yooj yim, tab sis qhov tseeb tsis yog. Muaj feem ntau tsis pom zoo hauv kev ua haujlwm.